An RV is often the second most expensive thing a family buys after a home, and like a home it is usually paid for over a long loan. The arithmetic is the same as for any installment loan, but the numbers are bigger and the terms longer — 15 or 20 years is not unusual — so small changes in rate or term move the total cost by tens of thousands of dollars. This RV loan calculator shows the monthly payment, the total interest and, because ownership costs more than the loan, the monthly cost with insurance and storage included.
How to use the RV loan calculator
- Enter the RV price, your down payment and any trade-in.
- Enter sales tax and fees that will be financed with the loan.
- Enter the APR and the term in months (180 months is 15 years).
- Add insurance and storage to see the real monthly cost of owning it.
- Compare terms by changing the number of months and noting the interest.
For smaller toys see the motorcycle loan calculator and the boat loan calculator; for the tow vehicle, the truck loan calculator. If your tow vehicle can't handle the trailer, check the towing capacity calculator first.
RV loan formula
Payment = Loan × r ÷ (1 − (1 + r)^−n)
Total interest = Payment × n − Loan
All-in monthly cost = Payment + insurance ÷ 12 + storage
- r — monthly rate (APR ÷ 12); n — months
- A 15-year loan has n = 180 and a 20-year loan n = 240
Worked example: $85,000 motorhome
- Amount financed: 85,000 × 1.06 + 500 − 10,000 = $80,600.
- Monthly rate: 8% ÷ 12 = 0.6667%.
- Payment over 180 months: $770.26.
- Total interest: $770.26 × 180 − 80,600 = $58,046.
- With $1,500 insurance a year and $100 storage a month: $895.26 a month.
The same loan over different terms
The table keeps the $80,600 loan at 8% and changes only the term. Values are calculated with the formula above.
| Term | Monthly payment | Total interest | Total repaid |
|---|---|---|---|
| 5 years (60 months) | $1,634.28 | $17,457 | $98,057 |
| 10 years (120 months) | $977.90 | $36,748 | $117,348 |
| 15 years (180 months) | $770.26 | $58,046 | $138,646 |
| 20 years (240 months) | $674.17 | $81,201 | $161,801 |
Budgeting for an RV
The payment is only the start. Ownership costs for an RV include insurance, storage if you have nowhere to park it, campground or hookup fees, maintenance on the engine, roof, tires and appliances, registration and the fuel to move something heavy. A good rule is to decide the total monthly cost you can carry, subtract the ownership costs, and let what remains set the loan payment. Then work backwards to the price you can afford, which is the reverse of what a price tag invites you to do.
Long terms bring risk of being upside down. RVs lose value steadily, while the balance of a 15–20-year loan falls slowly in the first years — mostly interest at first — so selling before the halfway point often means owing more than the sale price. A bigger down payment, or a shorter term if you can handle the payment, protects against that. If it has already happened, use the negative equity calculator to see the cost of moving on.
Finally, check that your tow vehicle can handle the weight and that its payload covers the hitch load; the towing numbers are in the towing capacity calculator. A trailer that is too heavy is not just a legal and safety problem; it also changes what you can borrow against.
Sources
The payment is the standard amortization (annuity) formula; the 20-year, 6% check value ($716.43 per $100,000) matches published amortization tables. Prices, rates and ownership costs used in the examples are illustrative, not quotes; actual terms and rates depend on the lender and RV type.
Frequently asked questions
How is an RV loan payment calculated?
Add tax and fees to the price, subtract the down payment and trade-in to get the amount financed, then apply the standard amortization formula at the monthly rate over the term in months.
Why are RV loan terms so long?
The purchase prices are large, so lenders offer terms stretching to 15 or 20 years to keep the payment manageable. That lowers the payment but adds a lot of interest, as the table shows: more than $50,000 on the example loan.
What else does an RV cost each month?
Insurance, storage or campground fees, maintenance, registration and fuel. The calculator includes insurance and storage; fuel and repairs depend on how much you travel.
What is the risk of a long RV loan?
RVs usually depreciate, so you can owe more than the RV is worth for many years. That is a problem if you want to sell early; see the negative equity calculator.
Does this work for a travel trailer or camper van?
Yes. Any vehicle bought on an installment loan follows the same formula; just enter the price, rate and term.